corrosion alumina ceramic ball as a covering material
Minimum Order: 0
Quality/Safety Certification: 0.00
Inert alumina ceramic ball :
1.low absorbtion rate
2.98% corrosion alkali and acid function
3,can bear high temperature
Inert Ceramic Ball stable molecular structure, acid and alkali - resistant, heat-resistance, good thermal stability, low water absorption, high compressive strength, is the ideal catalyst of the carrier is widely used in oil, petrochemicals, fertilizers, coal chemical industry, environmental protection, and supporting industries covered catalyst.
Specifications
| A host-crystal | feldspathic | feldspar mullite nature | mullite nature | mullite corundum nature | corundum nature | |
| Al2O3 content(%) | 20~30 | 30~45 | 45~70 | 70~90 | ≥99 | |
| Water absorption(%) | ≤5 | ≤5 | ≤5 | ≤5 | ≤1.5 | |
| the acid resistance(%) | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 | |
| the fastness to alkali(%) | ≥80 | ≥82 | ≥85 | ≥90 | ≥95 | |
| Bears the temperature emergency (°C) | ≥1.30 | ≥200 | ≥500 | ≥700 | ≥800 | |
| the compressive strength KN/grain | Φ3 | ≥O.12 | ≥O.14 | ≥O.15 | ≥O.16 | ≥O.20 |
| Φ6 | ≥O.40 | ≥O.42 | ≥O.44 | ≥O.48 | ≥O.50 | |
| Φ8 | ≥O.48 | ≥O.52 | ≥O.60 | ≥O.62 | ≥O.65 | |
| Φ10 | ≥O.60 | ≥O.70 | ≥O.80 | ≥O.90 | ≥1.OO | |
| Φ13 | ≥1.OO | ≥1.10 | ≥1.30 | ≥1.50 | ≥1.80 | |
| Φ16 | ≥1.50 | ≥1.60 | ≥1.80 | ≥2.30 | ≥2.60 | |
| Φ20 | ≥1.80 | ≥2.OO | ≥2.30 | ≥2.80 | ≥3.20 | |
| Φ25 | ≥2.50 | ≥2.80 | ≥3.20 | ≥3.60 | ≥4.OO | |
| Φ30 | ≥3.OO | ≥3.20 | ≥3.50 | ≥4.OO | ≥4.50 | |
| Φ38 | ≥4.OO | ≥4.50 | ≥5.OO | ≥5.50 | ≥6.OO | |
| Φ50 | ≥6.OO | ≥6.50 | ≥7.OO | ≥8.50 | ≥10.OO | |
| Packing density(kg/m3) | 1300~1400 | 1400~1500 | 1500~1600 | 1600~1800 | 1900~2200 | |
High alumina balls
| Al203 | Si02 | Fe203 | Na20 | Mg0 | Ti02 | Proportion (g/cm3) | Porosity rate (%) |
| >99% | <O.2% | <O.1% | <O.05% | <O.5% | <O.05% | 3.6-3.8 | <1 |
